summaryrefslogtreecommitdiff
path: root/board/logicpd/am3517evm/am3517evm.c
blob: 15699054603a1d18c9bd549a350bb27cc623a66b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
/*
 * am3517evm.c - board file for TI's AM3517 family of devices.
 *
 * Author: Vaibhav Hiremath <hvaibhav@ti.com>
 *
 * Based on ti/evm/evm.c
 *
 * Copyright (C) 2010
 * Texas Instruments Incorporated - http://www.ti.com/
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <asm/io.h>
#include <asm/omap_musb.h>
#include <asm/arch/am35x_def.h>
#include <asm/arch/mem.h>
#include <asm/arch/mux.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/musb.h>
#include <asm/mach-types.h>
#include <asm/errno.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
#include <linux/usb/musb.h>
#include <i2c.h>
#include <netdev.h>
#include "am3517evm.h"

DECLARE_GLOBAL_DATA_PTR;

/*
 * Routine: board_init
 * Description: Early hardware init.
 */
int board_init(void)
{
	gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
	/* board id for Linux */
	gd->bd->bi_arch_number = MACH_TYPE_OMAP3517EVM;
	/* boot param addr */
	gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);

	return 0;
}

#ifdef CONFIG_USB_MUSB_AM35X
static struct musb_hdrc_config musb_config = {
	.multipoint     = 1,
	.dyn_fifo       = 1,
	.num_eps        = 16,
	.ram_bits       = 12,
};

static struct omap_musb_board_data musb_board_data = {
	.set_phy_power		= am35x_musb_phy_power,
	.clear_irq		= am35x_musb_clear_irq,
	.reset			= am35x_musb_reset,
};

static struct musb_hdrc_platform_data musb_plat = {
#if defined(CONFIG_MUSB_HOST)
	.mode           = MUSB_HOST,
#elif defined(CONFIG_MUSB_GADGET)
	.mode		= MUSB_PERIPHERAL,
#else
#error "Please define either CONFIG_MUSB_HOST or CONFIG_MUSB_GADGET"
#endif
	.config         = &musb_config,
	.power          = 250,
	.platform_ops	= &am35x_ops,
	.board_data	= &musb_board_data,
};

static void am3517_evm_musb_init(void)
{
	/*
	 * Set up USB clock/mode in the DEVCONF2 register.
	 * USB2.0 PHY reference clock is 13 MHz
	 */
	clrsetbits_le32(&am35x_scm_general_regs->devconf2,
			CONF2_REFFREQ | CONF2_OTGMODE | CONF2_PHY_GPIOMODE,
			CONF2_REFFREQ_13MHZ | CONF2_SESENDEN |
			CONF2_VBDTCTEN | CONF2_DATPOL);

	musb_register(&musb_plat, &musb_board_data,
			(void *)AM35XX_IPSS_USBOTGSS_BASE);
}
#else
#define am3517_evm_musb_init() do {} while (0)
#endif

/*
 * Routine: misc_init_r
 * Description: Init i2c, ethernet, etc... (done here so udelay works)
 */
int misc_init_r(void)
{
#ifdef CONFIG_SYS_I2C_OMAP34XX
	i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
#endif

	dieid_num_r();

	am3517_evm_musb_init();

	return 0;
}

/*
 * Routine: set_muxconf_regs
 * Description: Setting up the configuration Mux registers specific to the
 *		hardware. Many pins need to be moved from protect to primary
 *		mode.
 */
void set_muxconf_regs(void)
{
	MUX_AM3517EVM();
}

#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
int board_mmc_init(bd_t *bis)
{
	return omap_mmc_init(0, 0, 0, -1, -1);
}
#endif

#if defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)
int board_eth_init(bd_t *bis)
{
	int rv, n = 0;

	rv = cpu_eth_init(bis);
	if (rv > 0)
		n += rv;

	rv = usb_eth_initialize(bis);
	if (rv > 0)
		n += rv;

	return n;
}
#endif